The first thing to do is to clarify the nature of the skin red marks, if it is congenital red marks, you need to choose the laser method to remove, if it is due to traumatic scab shedding caused by red marks, you need to take medication. 1. Congenital red marks: congenital red marks such as nevus, strawberry hemangioma or birthmarks can not be removed by applying medication, and need to be removed by laser methods, common laser methods are Q laser, intense pulse laser, photorejuvenation, etc. 2. Red marks after trauma scabs fall off: skin inflammation, trauma stimulation will leave red scars, this is the skin healing process of pigmentation left behind can follow the doctor’s instructions to use polysulfonic acid mucopolysaccharide cream to carry out tissue repair. If there is a need to remove the red marks, it is recommended that patients go to the hospital in time, under the guidance of the doctor’s treatment.